iodosyl trifluoride
{{Chembox
| Name = Iodosyl trifluoride
| ImageFile1 = IOF3.svg
| ImageSize1 = 200px
| ImageFile2 = IOF3 3D.png
| ImageSize2 = 200px
| PIN =
| OtherNames = {{ubl|Iodine oxide trifluoride|Iodosyltrifluoride|Iodine oxytrifluoride}}
|Section1={{Chembox Identifiers
| CASNo = 19058-78-7
| CASNo_Ref = {{cascite|correct|CAS}}
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| Gmelin =
| PubChem = 23236028
| SMILES = F[I](=O)(F)F
| StdInChI=1S/F3IO/c1-4(2,3)5
| StdInChIKey = SAHIKKKGOUDBAW-UHFFFAOYSA-N
}}
|Section2={{Chembox Properties
| Formula = {{chem2|IOF3}}
| F=3 | O=1 |I=1
| Appearance = colorless needles
| Density = 3.95 g/cm3
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|Section3={{Chembox Hazards
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|Section6={{Chembox Related
| OtherCompounds = {{ubl|Chlorosyl trifluoride|Iodosyl pentafluoride|Bromosyl trifluoride|Iodyl fluoride}}
}}
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Iodosyl trifluoride is an inorganic compound of iodine, fluorine, and oxygen with the chemical formula {{chem2|IOF3|auto="3"}}.{{cite journal |last1=Viers |first1=Jimmy W. |last2=Baird |first2=H. Wallace |title=The crystal structure of iodine oxide trifluoride |journal=Chemical Communications |date=1 January 1967 |issue=21 |pages=1093–1094 |doi=10.1039/C19670001093 |url=https://pubs.rsc.org/en/content/articlelanding/1967/c1/c19670001093 |access-date=24 May 2023 |language=en |issn=0009-241X|url-access=subscription }}
Synthesis
Synthesis of iodosyl trifluoride can be done by a reaction of iodine pentoxide with iodine pentafluoride.{{cite book |last1=Wiberg |first1=Egon |last2=Wiberg |first2=Nils |title=Inorganic Chemistry |date=2001 |publisher=Academic Press |isbn=978-0-12-352651-9 |page=468 |url=https://books.google.com/books?id=Mtth5g59dEIC&dq=Iodosyl+trifluoride&pg=PA468 |access-date=24 May 2023 |language=en}}
:{{chem2|I2O5 + 3 IF5 -> 5 IOF3}}
Synthesis can be by a reaction of gases:{{cite journal |last1=Aynsley |first1=E. E. |last2=Nichols |first2=R. |last3=Robinson |first3=P. L. |title=126. Reactions of iodine pentafluoride with inorganic substances. Iodine oxytrifluoride and iodyl fluoride |journal=Journal of the Chemical Society |date=1 January 1953 |pages=623–626 |doi=10.1039/JR9530000623 |url=https://pubs.rsc.org/en/content/articlelanding/1953/JR/jr9530000623 |access-date=24 May 2023 |language=en |issn=0368-1769|url-access=subscription }}
:{{chem2|I2 + O2 + 3 F2 -> 2 IOF3}}
Or alternately by reaction of iodine pentafluoride with water:
:{{chem2|IF5 + H2O → IOF3 + 2 HF}}
Physical properties
Iodosyl trifluoride forms hygroscopic colorless needles. Reacts with water.{{cite book |last1=Haynes |first1=William M. |title=CRC Handbook of Chemistry and Physics |date=4 June 2014 |publisher=CRC Press |isbn=978-1-4822-0868-9 |pages=4–67 |url=https://books.google.com/books?id=bNDMBQAAQBAJ&dq=Iodosyl+trifluoride&pg=SA4-PA67 |access-date=24 May 2023 |language=en}}{{how|date=April 2025}}
Chemical properties
Iodosyl trifluoride is hygroscopic and decomposes into {{chem2|IO2F}} and {{chem2|IF5}} at {{cvt|110|C|F}}.{{cite web |last1=第2版 |first1=化学辞典 |title=ヨードシル塩(ヨードシルエン)とは？ 意味や使い方 |url=https://kotobank.jp/word/%E3%83%A8%E3%83%BC%E3%83%89%E3%82%B7%E3%83%AB%E5%A1%A9-2123295 |website=コトバンク |access-date=24 May 2023 |language=ja}}
References
{{Reflist}}
{{Iodine compounds}}
{{Oxygen compounds}}
{{Fluorine compounds}}